in san francisco, alan wang, abr7 news. abc7 news. >> a powerful storm that pounded the middle part of the country is now lashing the northeast. a look at the impact of travel on the ground and in the air. and lost wedding ring. the man who found it buried in the sierra snow is hoping you will know who it belongs to. that story. and a girl and her puppy are reunited on christmas no less while a dog thief, grinch, gets street justice in new york city. all of that is coming up and then later on "nightline." >> coming up on a special edition of "nightline" a white house christmas. president barack obama and first lady michelle obama sit down with our own barbara walters [ singing christmas carols in background ] aunt sally's singing again. it's a tradition, honey. [ singing christmas carols ] mmmm. [ female announcer ] make new traditions with pillsbury grands! cinnamon rolls. [ female announcer ] go from zero to pizza in just 60 seconds with totino's pizza rolls and grab a bite of snack-defying, satisfying... because pizza...